[refs #2] Initial sgallery upload

* composer dependencies
* sgallery.php
* templates for renata-kowalczuk.eu
* updated build target
[refs #2] moving gallery images to separate folder.

* few tpl and css fixes

Conflicts:

	styles/less/main.less
[refs #2] Adding description files to gallery folders

* updated sgallery min version to 0.3.1
* removed `var_dump`  from sgallery.php
* updating CSS and tpls for gallery
[refs #2] adding 'validate' target for instaling 'composer'

`ant validate` will install composer.phar and download all
dependencies

Conflicts:

	build.xml